Merge /u/cgdae/flightgear/ branch next into next
https://sourceforge.net/p/flightgear/flightgear/merge-requests/166/
This commit is contained in:
James Turner
commit
ed0a009224
7 changed files with 639 additions and 88 deletions
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@ -293,6 +293,10 @@ FGInterface::bind ()
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&FGInterface::get_Psi_deg,
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&FGInterface::set_Psi_deg, false);
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fgSetArchivable("/orientation/heading-deg");
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_tiedProperties.Tie("/orientation/true-heading-deg", this,
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&FGInterface::get_Psi_deg,
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&FGInterface::set_Psi_deg, false);
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fgSetArchivable("/orientation/true-heading-deg");
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_tiedProperties.Tie("/orientation/track-deg", this,
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&FGInterface::get_Track); // read-only
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_tiedProperties.Tie("/orientation/path-deg", this,
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@ -37,11 +37,14 @@
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#include <errno.h>
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#include <simgear/misc/stdint.hxx>
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#include <simgear/misc/sg_dir.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/props/props.hxx>
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#include <simgear/props/props_io.hxx>
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#include <simgear/structure/commands.hxx>
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#include <simgear/structure/event_mgr.hxx>
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#include <simgear/misc/strutils.hxx>
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#include <AIModel/AIManager.hxx>
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#include <AIModel/AIMultiplayer.hxx>
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@ -959,7 +962,10 @@ FGMultiplayMgr::FGMultiplayMgr()
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pMultiPlayDebugLevel = fgGetNode("/sim/multiplay/debug-level", true);
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pMultiPlayTransmitPropertyBase = fgGetNode("/sim/multiplay/transmit-filter-property-base", true);
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pMultiPlayRange = fgGetNode("/sim/multiplay/visibility-range-nm", true);
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pMultiPlayRange->setIntValue(100);
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if (pMultiPlayRange->getIntValue() == 0) {
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/* Only set if currently zero - this allows override e.g. in ~/.fgfsrc. */
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pMultiPlayRange->setIntValue(100);
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}
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} // FGMultiplayMgr::FGMultiplayMgr()
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//////////////////////////////////////////////////////////////////////
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@ -2316,6 +2322,30 @@ FGMultiplayMgr::FillMsgHdr(T_MsgHdr *MsgHdr, int MsgId, unsigned _len)
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MsgHdr->Callsign[MAX_CALLSIGN_LEN - 1] = '\0';
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}
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/* If <from>/<path> exists and <to>/<path> doesn't, copy the former to the
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latter. */
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static void copy_default(SGPropertyNode* from, const char* path, SGPropertyNode* to) {
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SGPropertyNode* from_ = from->getNode(path);
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if (from_) {
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if (!to->getNode(path)) {
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to->setDoubleValue(path, from_->getDoubleValue());
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}
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}
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}
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static std::string makeStringPropertyNameSafe(const std::string& s)
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{
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std::string ret;
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for (size_t i=0; i<s.size(); ++i) {
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char c = s[i];
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if (i==0 && !isalpha(c) && c!='_') c = '_';
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if (!isalnum(c) && c!='.' && c!='_' && c!='-') c = '_';
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ret += c;
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}
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return ret;
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}
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FGAIMultiplayer*
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FGMultiplayMgr::addMultiplayer(const std::string& callsign,
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const std::string& modelName,
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@ -2338,7 +2368,125 @@ FGMultiplayMgr::addMultiplayer(const std::string& callsign,
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for (unsigned i = 0; i < numProperties; ++i)
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mp->addPropertyId(sIdPropertyList[i].id, sIdPropertyList[i].name);
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}
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/* Try to find a -set.xml for <modelName>, so that we can use its view
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parameters. If found, we install it into a 'set' property node.
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If we are reusing an old entry in /ai/models/multiplayer[], there
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might be an old set/ node, so remove it.
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todo: maybe we should cache the -set.xml nodes in memory and/or share them in
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properties?
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*/
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mp->_getProps()->removeChildren("set");
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SGPropertyNode* set = NULL;
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if (simgear::strutils::ends_with(modelName, ".xml")
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&& simgear::strutils::starts_with(modelName, "Aircraft/")) {
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std::string tail = modelName.substr(strlen("Aircraft/"));
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PathList dirs(globals->get_aircraft_paths());
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/* Need to append <fgdata>/Aircraft, otherwise we won't be able to find
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c172p. */
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SGPath fgdata_aircraft = globals->get_fg_root();
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fgdata_aircraft.append("Aircraft");
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dirs.push_back(fgdata_aircraft);
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SGPath model_file;
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PathList::const_iterator it = std::find_if(dirs.begin(), dirs.end(),
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[&](SGPath dir) {
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model_file = dir;
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model_file.append(tail);
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return model_file.exists();
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});
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if (it != dirs.end()) {
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/* We've found the model file.
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Now try each -set.xml file in <modelName> aircraft directory. In theory
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an aircraft could have a -set.xml in an unrelated directory so we should
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scan all directories in globals->get_aircraft_paths(), but in practice
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most -set.xml files and models are in the same aircraft directory. */
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std::string model_file_head = it->str() + '/';
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std::string model_file_tail = model_file.str().substr(model_file_head.size());
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ssize_t p = model_file_tail.find('/');
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std::string aircraft_dir = model_file_head + model_file_tail.substr(0, p);
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simgear::Dir dir(aircraft_dir);
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std::vector<SGPath> dir_contents = dir.children(0 /*types*/, "-set.xml");
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/* simgear::Dir::children() claims that second param is glob, but
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actually it's just a suffix. */
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for (auto path: dir_contents) {
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set = mp->_getProps()->addChild("set");
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bool ok = true;
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try {
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readProperties(path, set);
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}
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catch ( const std::exception &e ) {
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ok = false;
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}
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if (ok) {
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SGPropertyNode* sim_model_path = set->getNode("sim/model/path");
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if (sim_model_path && sim_model_path->getStringValue() == modelName) {
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/* We've found (and loaded) a matching -set.xml. */
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break;
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}
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}
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mp->_getProps()->removeChildren("set");
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set = NULL;
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}
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}
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}
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/* Copy [set]/sim/chase-distance-m (or -25 if not present) into
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mp->set/sim/view[]/config/z-offset-m if not there. This attempts to mimic
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what fgdata/defaults.xml does when it defines default views. Also copy
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view[1]'s config into other views if not specified. */
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double sim_chase_distance_m = -25;
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if (set) {
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sim_chase_distance_m = set->getDoubleValue("sim/chase-distance-m", sim_chase_distance_m);
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}
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else {
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set = mp->_getProps()->addChild("set");
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set->setDoubleValue("sim/chase-distance-m", sim_chase_distance_m);
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}
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SGPropertyNode* set_sim = set->getNode("sim");
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/* For views that are similar to Helicopter View, copy across Helicopter View
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target offsets if not specified. E.g. this allows Tower View AGL to work on
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aircraft that don't know about it but need non-zero target-*-offset-m values
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to centre the view on the middle of the aircraft.
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This mimics what fgdata:Nasal/view.nas:manager does for the user aircraft's
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views.
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*/
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SGPropertyNode* view_1 = set_sim->getNode("view", 1);
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std::initializer_list<int> views_with_default_z_offset_m = {1, 2, 3, 5, 7, 8};
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for (int j: views_with_default_z_offset_m) {
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SGPropertyNode* v = set_sim->getChild("view", j);
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if (!v) {
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v = set_sim->addChild("view", j, false /*append*/);
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}
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SGPropertyNode* z_offset_m = v->getChild("config/z-offset-m");
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if (!z_offset_m) {
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v->setDoubleValue("config/z-offset-m", sim_chase_distance_m);
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}
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copy_default(view_1, "config/target-x-offset-m", v);
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copy_default(view_1, "config/target-y-offset-m", v);
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copy_default(view_1, "config/target-z-offset-m", v);
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}
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/* Create a node /ai/models/callsigns/<callsign> containing the index of the
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callsign's aircraft's entry in /ai/models/multiplayer[]. This isn't strictly
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necessary, but simpifies debugging a lot and seems pretty lightweight. Note
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that we need to avoid special characters in the node name, otherwise the
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property system forces a fatal error. */
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std::string path = "/ai/models/callsigns/" + makeStringPropertyNameSafe(callsign);
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globals->get_props()->setIntValue(path, mp->_getProps()->getIndex());
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return mp;
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}
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@ -68,6 +68,7 @@ public:
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void SendTextMessage(const std::string &sMsgText);
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// receiver
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FGAIMultiplayer* getMultiplayer(const std::string& callsign);
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private:
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friend class MPPropertyListener;
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@ -94,7 +95,6 @@ private:
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FGAIMultiplayer* addMultiplayer(const std::string& callsign,
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const std::string& modelName,
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const int fallback_model_index);
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FGAIMultiplayer* getMultiplayer(const std::string& callsign);
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void FillMsgHdr(T_MsgHdr *MsgHdr, int iMsgId, unsigned _len = 0u);
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void ProcessPosMsg(const MsgBuf& Msg, const simgear::IPAddress& SenderAddress,
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long stamp);
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@ -347,6 +347,7 @@ bool FGScenerySwitchCallback::scenery_enabled = false;
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FGRenderer::FGRenderer() :
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_sky(NULL),
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MaximumTextureSize(0),
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_ambientFactor( new osg::Uniform( "fg_SunAmbientColor", osg::Vec4f() ) ),
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_sunDiffuse( new osg::Uniform( "fg_SunDiffuseColor", osg::Vec4f() ) ),
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_sunSpecular( new osg::Uniform( "fg_SunSpecularColor", osg::Vec4f() ) ),
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@ -356,8 +357,7 @@ FGRenderer::FGRenderer() :
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_fogDensity( new osg::Uniform( "fg_FogDensity", 0.0001f ) ),
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_shadowNumber( new osg::Uniform( "fg_ShadowNumber", (int)4 ) ),
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_shadowDistances( new osg::Uniform( "fg_ShadowDistances", osg::Vec4f(5.0, 50.0, 500.0, 5000.0 ) ) ),
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_depthInColor( new osg::Uniform( "fg_DepthInColor", false ) ),
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MaximumTextureSize(0)
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_depthInColor( new osg::Uniform( "fg_DepthInColor", false ) )
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{
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// it's not the real root, whatever that means
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_root = new osg::Group;
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@ -39,10 +39,13 @@
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#include <Main/fg_props.hxx>
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#include <Main/globals.hxx>
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#include <Scenery/scenery.hxx>
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#include <MultiPlayer/multiplaymgr.hxx>
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#include <AIModel/AIMultiplayer.hxx>
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#include "CameraGroup.hxx"
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using namespace flightgear;
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////////////////////////////////////////////////////////////////////////
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// Implementation of FGViewer.
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////////////////////////////////////////////////////////////////////////
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@ -56,7 +59,9 @@ View::View( ViewType Type, bool from_model, int from_model_index,
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double roll_offset_deg,
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double fov_deg, double aspect_ratio_multiplier,
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double target_x_offset_m, double target_y_offset_m,
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double target_z_offset_m, double near_m, bool internal ):
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double target_z_offset_m, double near_m, bool internal,
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bool lookat_agl, double lookat_agl_damping,
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int view_index ):
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_dirty(true),
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_roll_deg(0),
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_pitch_deg(0),
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@ -64,6 +69,7 @@ View::View( ViewType Type, bool from_model, int from_model_index,
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_target_roll_deg(0),
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_target_pitch_deg(0),
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_target_heading_deg(0),
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_lookat_agl_damping(lookat_agl_damping /*damping*/, 0 /*min*/, 0 /*max*/),
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_scaling_type(FG_SCALING_MAX)
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{
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_absolute_view_pos = SGVec3d(0, 0, 0);
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@ -73,8 +79,10 @@ View::View( ViewType Type, bool from_model, int from_model_index,
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_at_model = at_model;
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_at_model_index = at_model_index;
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_internal = internal;
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_internal = internal; _internal = true;
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_lookat_agl = lookat_agl;
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_view_index = view_index;
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_dampFactor = SGVec3d::zeros();
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_dampOutput = SGVec3d::zeros();
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_dampTarget = SGVec3d::zeros();
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@ -109,6 +117,8 @@ View::View( ViewType Type, bool from_model, int from_model_index,
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}
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_configFOV_deg = _fov_deg;
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_fov_user_deg = _fov_deg;
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_aspect_ratio_multiplier = aspect_ratio_multiplier;
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_target_offset_m.x() = target_x_offset_m;
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@ -120,7 +130,7 @@ View::View( ViewType Type, bool from_model, int from_model_index,
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// a reasonable guess for init, so that the math doesn't blow up
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}
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View* View::createFromProperties(SGPropertyNode_ptr config)
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View* View::createFromProperties(SGPropertyNode_ptr config, int view_index)
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{
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double aspect_ratio_multiplier
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= fgGetDouble("/sim/current-view/aspect-ratio-multiplier");
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@ -128,7 +138,9 @@ View* View::createFromProperties(SGPropertyNode_ptr config)
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// find out if this is an internal view (e.g. in cockpit, low near plane)
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// FIXME : should be a child of config
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bool internal = config->getParent()->getBoolValue("internal", false);
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std::string root = config->getPath();
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// Will typically be /sim/view[]/config.
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// FIXME:
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// this is assumed to be an aircraft model...we will need to read
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@ -166,6 +178,8 @@ View* View::createFromProperties(SGPropertyNode_ptr config)
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double target_x_offset_m = config->getDoubleValue("target-x-offset-m");
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double target_y_offset_m = config->getDoubleValue("target-y-offset-m");
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double target_z_offset_m = config->getDoubleValue("target-z-offset-m");
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bool lookat_agl = config->getBoolValue("lookat-agl");
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double lookat_agl_damping = config->getDoubleValue("lookat-agl-damping");
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v = new View ( FG_LOOKAT, from_model, from_model_index,
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at_model, at_model_index,
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@ -174,7 +188,8 @@ View* View::createFromProperties(SGPropertyNode_ptr config)
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heading_offset_deg, pitch_offset_deg,
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roll_offset_deg, fov_deg, aspect_ratio_multiplier,
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target_x_offset_m, target_y_offset_m,
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target_z_offset_m, near_m, internal );
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target_z_offset_m, near_m, internal, lookat_agl,
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lookat_agl_damping, view_index );
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if (!from_model) {
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v->_targetProperties.init(config, "target-");
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}
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@ -184,7 +199,7 @@ View* View::createFromProperties(SGPropertyNode_ptr config)
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x_offset_m, y_offset_m, z_offset_m,
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heading_offset_deg, pitch_offset_deg,
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roll_offset_deg, fov_deg, aspect_ratio_multiplier,
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0, 0, 0, near_m, internal );
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0, 0, 0, near_m, internal, false, 0.0, view_index );
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}
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if (!from_model) {
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@ -194,6 +209,7 @@ View* View::createFromProperties(SGPropertyNode_ptr config)
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v->_name = config->getParent()->getStringValue("name");
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v->_typeString = type;
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v->_configHeadingOffsetDeg = config->getDoubleValue("default-heading-offset-deg");
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v->_config = config;
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return v;
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}
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@ -251,7 +267,7 @@ View::bind ()
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||||
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_tiedProperties.Tie("field-of-view", this,
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&View::get_fov, &View::set_fov,
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&View::get_fov_user, &View::set_fov_user,
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false);
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fgSetArchivable("/sim/current-view/field-of-view");
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@ -270,12 +286,12 @@ View::bind ()
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_tiedProperties.Tie("viewer-lat-deg", this, &View::getLat_deg);
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_tiedProperties.Tie("viewer-elev-ft", this, &View::getElev_ft);
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_tiedProperties.Tie("x-offset-m", this, &View::getXOffset_m,
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&View::setXOffset_m, false);
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_tiedProperties.Tie("y-offset-m", this, &View::getYOffset_m,
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&View::setYOffset_m, false);
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_tiedProperties.Tie("z-offset-m", this, &View::getZOffset_m,
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&View::setZOffset_m, false);
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_tiedProperties.Tie("x-offset-m", this, &View::getAdjustXOffset_m,
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&View::setAdjustXOffset_m, false);
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_tiedProperties.Tie("y-offset-m", this, &View::getAdjustYOffset_m,
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&View::setAdjustYOffset_m, false);
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_tiedProperties.Tie("z-offset-m", this, &View::getAdjustZOffset_m,
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&View::setAdjustZOffset_m, false);
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_tiedProperties.Tie("target-x-offset-m", this, &View::getTargetXOffset_m,
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&View::setTargetXOffset_m, false);
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@ -340,6 +356,7 @@ void View::resetOffsetsAndFOV()
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{
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_target_offset_m = _configTargetOffset_m;
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_offset_m = _configOffset_m;
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_adjust_offset_m = SGVec3d();
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_pitch_offset_deg = _configPitchOffsetDeg;
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_heading_offset_deg = _configHeadingOffsetDeg;
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_roll_offset_deg = _configRollOffsetDeg;
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@ -477,6 +494,27 @@ View::setTargetZOffset_m (double target_z_offset_m)
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_target_offset_m.z() = target_z_offset_m;
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}
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void
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||||
View::setAdjustXOffset_m (double x_offset_m)
|
||||
{
|
||||
_dirty = true;
|
||||
_adjust_offset_m.x() = x_offset_m;
|
||||
}
|
||||
|
||||
void
|
||||
View::setAdjustYOffset_m (double y_offset_m)
|
||||
{
|
||||
_dirty = true;
|
||||
_adjust_offset_m.y() = y_offset_m;
|
||||
}
|
||||
|
||||
void
|
||||
View::setAdjustZOffset_m (double z_offset_m)
|
||||
{
|
||||
_dirty = true;
|
||||
_adjust_offset_m.z() = z_offset_m;
|
||||
}
|
||||
|
||||
void
|
||||
View::setPositionOffsets (double x_offset_m, double y_offset_m, double z_offset_m)
|
||||
{
|
||||
|
|
@ -605,24 +643,154 @@ View::recalc ()
|
|||
set_clean();
|
||||
}
|
||||
|
||||
|
||||
/* Gets position and orientation of user aircraft or multiplayer aircraft.
|
||||
|
||||
root:
|
||||
Location of aircraft position and oriention properties. Use '' for user's
|
||||
aircraft, or /ai/models/multiplayer[] for a multiplayer aircraft.
|
||||
|
||||
position:
|
||||
head:
|
||||
pitch:
|
||||
roll:
|
||||
Out parameters.
|
||||
*/
|
||||
static void getAircraftPositionOrientation(
|
||||
const std::string& root,
|
||||
SGGeod& position,
|
||||
double& head,
|
||||
double& pitch,
|
||||
double& roll
|
||||
)
|
||||
{
|
||||
position = SGGeod::fromDegFt(
|
||||
globals->get_props()->getDoubleValue(root + "/position/longitude-deg"),
|
||||
globals->get_props()->getDoubleValue(root + "/position/latitude-deg"),
|
||||
globals->get_props()->getDoubleValue(root + "/position/altitude-ft")
|
||||
);
|
||||
head = globals->get_props()->getDoubleValue(root + "/orientation/true-heading-deg");
|
||||
pitch = globals->get_props()->getDoubleValue(root + "/orientation/pitch-deg");
|
||||
roll = globals->get_props()->getDoubleValue(root + "/orientation/roll-deg");
|
||||
}
|
||||
|
||||
|
||||
/* Finds the offset of a view position from an aircraft model's origin.
|
||||
|
||||
We look in either /sim/view[]/config/ for user's aircraft, or
|
||||
/ai/models/multiplayer[]/set/sim/view[]/config/ for multiplayer aircraft.
|
||||
|
||||
If offset information is not available because we can't find the -set.xml files
|
||||
for a multiplayer aircraft), we set all elements of offset_m to zero.
|
||||
|
||||
root:
|
||||
Path that defines which aircraft. Either '' to use the user's aircraft, or
|
||||
/ai/models/multiplayer[].
|
||||
view_index:
|
||||
The view number. We will look in .../sim/view[view_index].
|
||||
infix:
|
||||
We look at .../view[view_index]/config/<infix>x-offset-m etc. Views appear
|
||||
to use 'z-offset-m' to define the location of pilot's eyes in cockpit
|
||||
view, but 'target-z-offset' when defining viewpoint of other views such as
|
||||
Helicopter View. So one should typically set <infix> to '' or 'target-'.
|
||||
adjust:
|
||||
Added on to the return value. Can be used to add in the affects of the user
|
||||
adjusting the view position.
|
||||
offset_m:
|
||||
Out param.
|
||||
|
||||
Returns true if any component (x, y or z) was found, otherwise false.
|
||||
*/
|
||||
static bool getViewOffsets(
|
||||
const std::string& root,
|
||||
int view_index,
|
||||
const std::string& infix,
|
||||
const SGVec3d& adjust,
|
||||
SGVec3d& offset_m
|
||||
)
|
||||
{
|
||||
SGPropertyNode* sim = NULL;
|
||||
|
||||
if (root == "") {
|
||||
/* View offsets are in /sim/view[]/config/. */
|
||||
sim = globals->get_props()->getNode("sim");
|
||||
}
|
||||
else {
|
||||
/* View offsets are in /ai/models/multiplayer[]/set/sim/view[]/config/. We assume
|
||||
that <root> is /ai/models/multiplayer[]. */
|
||||
std::string callsign = globals->get_props()->getStringValue(root + "/callsign");
|
||||
FGAIMultiplayer* multiplayer = globals->get_subsystem<FGMultiplayMgr>()->getMultiplayer(callsign);
|
||||
if (multiplayer) {
|
||||
sim = multiplayer->getPropertyRoot()->getNode("set/sim");
|
||||
}
|
||||
}
|
||||
bool found_any = false;
|
||||
if (sim) {
|
||||
/* Most (all?) -set.xml files don't define an offset for view 7, Model
|
||||
View, so we instead use the offsets for view 1, Helicopter View. */
|
||||
SGPropertyNode* sim_view = sim->getNode("view", view_index == 7 ? 1 : view_index);
|
||||
offset_m.x() = sim_view->getDoubleValue("config/" + infix + "x-offset-m", 0);
|
||||
offset_m.y() = sim_view->getDoubleValue("config/" + infix + "y-offset-m", 0);
|
||||
offset_m.z() = sim_view->getDoubleValue("config/" + infix + "z-offset-m", 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
offset_m = SGVec3d::zeros();
|
||||
}
|
||||
offset_m += adjust;
|
||||
return found_any;
|
||||
}
|
||||
|
||||
// recalculate for LookFrom view type...
|
||||
// E.g. Cockpit View and Tower View Look From.
|
||||
void
|
||||
View::recalcLookFrom ()
|
||||
{
|
||||
// Update location data ...
|
||||
if ( _from_model ) {
|
||||
_position = globals->get_aircraft_position();
|
||||
globals->get_aircraft_orientation(_heading_deg, _pitch_deg, _roll_deg);
|
||||
std::string root = std::string(_config->getStringValue("root"));
|
||||
if (root == "/") root = "";
|
||||
/* <root> will be either '' which means we are viewing the user's aircraft,
|
||||
or /ai/models/multiplayer[] which means we are viewing a multiplayer
|
||||
aircraft. */
|
||||
|
||||
double head;
|
||||
double pitch;
|
||||
double roll;
|
||||
|
||||
if (_from_model ) {
|
||||
/* Look up aircraft position; this works for user's aircaft or multiplayer
|
||||
aircraft. */
|
||||
getAircraftPositionOrientation( root, _position, head, pitch, roll);
|
||||
}
|
||||
|
||||
double head = _heading_deg;
|
||||
double pitch = _pitch_deg;
|
||||
double roll = _roll_deg;
|
||||
if ( !_from_model ) {
|
||||
// update from our own data...
|
||||
setDampTarget(roll, pitch, head);
|
||||
getDampOutput(roll, pitch, head);
|
||||
else {
|
||||
/* Tower View Look From. This isn't multiplayer, so <root> will be ''.
|
||||
|
||||
<_config> will be /sim/view[4]/config, so <_config>/eye-lon-deg-path
|
||||
will be /sim/view[4]/config/eye-lon-deg-path which will contain
|
||||
/sim/tower/longitude-deg (see fgdata:defaults.xml).
|
||||
|
||||
<root> will be '' so we'll end up looking at /sim/tower/longitude-deg
|
||||
|
||||
[Might be nice to make a 'TowerView Look From Multiplayer' that uses the
|
||||
tower that is nearest to a particular multiplayer aircraft. We'd end up
|
||||
looking at /ai/models/multiplayer[]/sim/tower/longitude-deg, so we'd need
|
||||
to somehow set up /ai/models/multiplayer[]/sim/tower. ]
|
||||
*/
|
||||
_position = SGGeod::fromDegFt(
|
||||
globals->get_props()->getDoubleValue(root + "/" + _config->getStringValue("eye-lon-deg-path")),
|
||||
globals->get_props()->getDoubleValue(root + "/" + _config->getStringValue("eye-lat-deg-path")),
|
||||
globals->get_props()->getDoubleValue(root + "/" + _config->getStringValue("eye-alt-ft-path"))
|
||||
);
|
||||
head = globals->get_props()->getDoubleValue(root + "/" + _config->getStringValue("eye-heading-deg-path"));
|
||||
pitch = globals->get_props()->getDoubleValue(root + "/" + _config->getStringValue("eye-pitch-deg-path"));
|
||||
roll = globals->get_props()->getDoubleValue(root + "/" + _config->getStringValue("eye-roll-deg-path"));
|
||||
}
|
||||
|
||||
/* Find the offset of the view position relative to the aircraft model's
|
||||
origin. */
|
||||
SGVec3d offset_m;
|
||||
getViewOffsets(root, _view_index, "" /*infix*/, _adjust_offset_m, offset_m);
|
||||
|
||||
set_fov(_fov_user_deg);
|
||||
|
||||
// The rotation rotating from the earth centerd frame to
|
||||
// the horizontal local frame
|
||||
|
|
@ -646,41 +814,204 @@ View::recalcLookFrom ()
|
|||
// This is rotates the x-forward, y-right, z-down coordinate system the where
|
||||
// simulation runs into the OpenGL camera system with x-right, y-up, z-back.
|
||||
SGQuatd q(-0.5, -0.5, 0.5, 0.5);
|
||||
|
||||
_absolute_view_pos = position + (ec2body*q).backTransform(_offset_m);
|
||||
|
||||
_absolute_view_pos = position + (ec2body*q).backTransform(offset_m);
|
||||
mViewOrientation = ec2body*mViewOffsetOr*q;
|
||||
}
|
||||
|
||||
|
||||
/* Change angle and field of view so that we can see the aircraft and the
|
||||
ground immediately below it. */
|
||||
|
||||
/* Some aircraft appear to have elevation that is slightly below ground level
|
||||
when on the ground, e.g. SenecaII, which makes get_elevation_m() fail. So we
|
||||
pass a slightly incremented elevation. */
|
||||
void View::handleAGL(const std::string& root)
|
||||
{
|
||||
/* Change angle and field of view so that we can see the aircraft and the
|
||||
ground immediately below it. */
|
||||
|
||||
/* Some aircraft appear to have elevation that is slightly below ground
|
||||
level when on the ground, e.g. SenecaII, which makes get_elevation_m()
|
||||
fail. So we pass a slightly incremented elevation. */
|
||||
double ground_altitude = 0;
|
||||
const simgear::BVHMaterial* material = NULL;
|
||||
SGGeod target_plus = _target;
|
||||
target_plus.setElevationM(target_plus.getElevationM() + 1);
|
||||
bool ok = globals->get_scenery()->get_elevation_m(target_plus, ground_altitude, &material);
|
||||
|
||||
if (!ok)
|
||||
{
|
||||
/* Just in case get_elevation_m() fails, we may as well use sea level. */
|
||||
ground_altitude = 0;
|
||||
SG_LOG(SG_FLIGHT, SG_DEBUG, "get_elevation_m() failed. _target=" << _target << "\n");
|
||||
}
|
||||
|
||||
double h_distance = SGGeodesy::distanceM(_position, _target);
|
||||
if (h_distance == 0) {
|
||||
/* Not sure this should ever happen, but we need to handle this here
|
||||
otherwise we'll get divide-by-zero. Just use whatever field of view the
|
||||
user has set. */
|
||||
set_fov(_fov_user_deg);
|
||||
}
|
||||
else {
|
||||
/* Find vertical region we want to be able to see. */
|
||||
double relative_height_target = _target.getElevationM() - _position.getElevationM();
|
||||
double relative_height_ground = ground_altitude - _position.getElevationM();
|
||||
|
||||
/* We expand the field of view so that it hopefully shows the
|
||||
whole aircraft and a little more of the ground.
|
||||
|
||||
We use chase-distance as a crude measure of the aircraft's size. There
|
||||
doesn't seem to be any more definitive information.
|
||||
|
||||
We damp our measure of ground level, to avoid the view jumping around if
|
||||
an aircraft flies over buildings.
|
||||
*/
|
||||
|
||||
relative_height_ground -= 2;
|
||||
|
||||
double chase_distance_m;
|
||||
if (root == "") {
|
||||
chase_distance_m = globals->get_props()->getDoubleValue("sim/chase-distance-m");
|
||||
}
|
||||
else {
|
||||
chase_distance_m = globals->get_props()->getDoubleValue(root + "/set/sim/chase-distance-m");
|
||||
if (chase_distance_m == 0) chase_distance_m = 50;
|
||||
}
|
||||
double aircraft_size_vertical = fabs(chase_distance_m) * 0.3;
|
||||
double aircraft_size_horizontal = fabs(chase_distance_m) * 0.9;
|
||||
|
||||
double relative_height_target_plus = relative_height_target + aircraft_size_vertical;
|
||||
double relative_height_ground_ = relative_height_ground;
|
||||
_lookat_agl_damping.updateTarget(relative_height_ground);
|
||||
if (relative_height_ground > relative_height_target) {
|
||||
/* Damping of relative_height_ground can result in it being
|
||||
temporarily above the aircraft, so we ensure the aircraft is visible.
|
||||
*/
|
||||
relative_height_ground = relative_height_ground_;
|
||||
}
|
||||
|
||||
double angle_v_target = atan(relative_height_target_plus / h_distance);
|
||||
double angle_v_ground = atan(relative_height_ground / h_distance);
|
||||
|
||||
/* The target we want to use is determined by the midpoint of the two
|
||||
angles we've calculated. */
|
||||
double angle_v_mid = (angle_v_target + angle_v_ground) / 2;
|
||||
_target.setElevationM(_position.getElevationM() + h_distance * tan(angle_v_mid));
|
||||
|
||||
/* Set field of view. We use fabs to avoid things being upside down if
|
||||
target is below ground level (e.g. new multiplayer aircraft are briefly
|
||||
at -9999ft). */
|
||||
double fov_v = fabs(angle_v_target - angle_v_ground);
|
||||
double fov_v_deg = fov_v / 3.1415 * 180;
|
||||
|
||||
set_fov( fov_v_deg);
|
||||
|
||||
/* Ensure that we can see entire horizontal extent of the aircraft
|
||||
(assuming airplane is horizontal), and also correct things if display
|
||||
aspect ratio results in set_fov() not setting the vertical field of view
|
||||
that we want. */
|
||||
double fov_h;
|
||||
fov_h = 2 * atan(aircraft_size_horizontal / 2 / h_distance);
|
||||
double fov_h_deg = fov_h / 3.1415 * 180;
|
||||
|
||||
double correction_v = fov_v_deg / get_v_fov();
|
||||
double correction_h = fov_h_deg / get_h_fov();
|
||||
double correction = std::max(correction_v, correction_h);
|
||||
if (correction > 1) {
|
||||
fov_v_deg *= correction;
|
||||
}
|
||||
|
||||
/* Apply scaling from user field of view setting. */
|
||||
fov_v_deg *= _fov_user_deg / _configFOV_deg;
|
||||
set_fov(fov_v_deg);
|
||||
|
||||
SG_LOG(SG_FLIGHT, SG_DEBUG, ""
|
||||
<< " _position=" << _position
|
||||
<< " _target=" << _target
|
||||
<< " ground_altitude=" << ground_altitude
|
||||
<< " relative_height_target_plus=" << relative_height_target_plus
|
||||
<< " relative_height_ground=" << relative_height_ground
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Views of an aircraft e.g. Helicopter View. */
|
||||
void
|
||||
View::recalcLookAt ()
|
||||
{
|
||||
// The geodetic position of our target to look at
|
||||
std::string root = std::string(_config->getStringValue("root"));
|
||||
if (root == "/") root = "";
|
||||
/* <root> will be either '' which means we are viewing the user's aircraft,
|
||||
or /ai/models/multiplayer[] which means we are viewing a multiplayer
|
||||
aircraft. */
|
||||
|
||||
/* 2019-06-12: i think maybe all LookAt views have _at_model=true? */
|
||||
if ( _at_model ) {
|
||||
_target = globals->get_aircraft_position();
|
||||
globals->get_aircraft_orientation(_target_heading_deg,
|
||||
_target_pitch_deg,
|
||||
_target_roll_deg);
|
||||
} else {
|
||||
// if not model then calculate our own target position...
|
||||
setDampTarget(_target_roll_deg, _target_pitch_deg, _target_heading_deg);
|
||||
getDampOutput(_target_roll_deg, _target_pitch_deg, _target_heading_deg);
|
||||
getAircraftPositionOrientation(
|
||||
root,
|
||||
_target,
|
||||
_target_heading_deg,
|
||||
_target_pitch_deg,
|
||||
_target_roll_deg
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
double eye_heading;
|
||||
double eye_roll;
|
||||
double eye_pitch;
|
||||
|
||||
{
|
||||
SGPropertyNode* sim = globals->get_props()->getNode("sim");
|
||||
SGPropertyNode* sim_view = sim->getNode("view", _view_index);
|
||||
|
||||
eye_heading = globals->get_props()->getDoubleValue(root + sim_view->getStringValue("config/eye-heading-deg-path"));
|
||||
eye_roll = globals->get_props()->getDoubleValue(root + sim_view->getStringValue("config/eye-roll-deg-path"));
|
||||
eye_pitch = globals->get_props()->getDoubleValue(root + sim_view->getStringValue("config/eye-pitch-deg-path"));
|
||||
|
||||
setDampTarget(eye_roll, eye_pitch, eye_heading);
|
||||
getDampOutput(eye_roll, eye_pitch, eye_heading);
|
||||
}
|
||||
|
||||
SGQuatd geodTargetOr = SGQuatd::fromYawPitchRollDeg(_target_heading_deg,
|
||||
_target_pitch_deg,
|
||||
_target_roll_deg);
|
||||
SGQuatd geodTargetHlOr = SGQuatd::fromLonLat(_target);
|
||||
|
||||
SGVec3d target_pos_off;
|
||||
getViewOffsets(root, _view_index, "target-", SGVec3d(), target_pos_off);
|
||||
target_pos_off = SGVec3d(
|
||||
-target_pos_off.z(),
|
||||
target_pos_off.x(),
|
||||
-target_pos_off.y()
|
||||
);
|
||||
target_pos_off = (geodTargetHlOr*geodTargetOr).backTransform(target_pos_off);
|
||||
|
||||
if ( _from_model ) {
|
||||
_position = globals->get_aircraft_position();
|
||||
globals->get_aircraft_orientation(_heading_deg, _pitch_deg, _roll_deg);
|
||||
} else {
|
||||
// update from our own data, just the rotation here...
|
||||
setDampTarget(_roll_deg, _pitch_deg, _heading_deg);
|
||||
getDampOutput(_roll_deg, _pitch_deg, _heading_deg);
|
||||
SGVec3d targetCart = SGVec3d::fromGeod(_target);
|
||||
SGVec3d targetCart2 = targetCart + target_pos_off;
|
||||
SGGeodesy::SGCartToGeod(targetCart2, _target);
|
||||
|
||||
_position = _target;
|
||||
|
||||
{
|
||||
const char* eye_lon_deg_path = _config->getStringValue("eye-lon-deg-path");
|
||||
const char* eye_lat_deg_path = _config->getStringValue("eye-lat-deg-path");
|
||||
const char* eye_alt_ft_path = _config->getStringValue("eye-alt-ft-path");
|
||||
if (eye_lon_deg_path && eye_lon_deg_path[0]) _position.setLongitudeDeg(globals->get_props()->getDoubleValue(eye_lon_deg_path));
|
||||
if (eye_lat_deg_path && eye_lon_deg_path[0]) _position.setLatitudeDeg(globals->get_props()->getDoubleValue(eye_lat_deg_path));
|
||||
if (eye_alt_ft_path && eye_alt_ft_path[0]) _position.setElevationFt(globals->get_props()->getDoubleValue(eye_alt_ft_path));
|
||||
}
|
||||
SGQuatd geodEyeOr = SGQuatd::fromYawPitchRollDeg(_heading_deg, _pitch_deg, _roll_deg);
|
||||
|
||||
if (_lookat_agl) {
|
||||
handleAGL(root);
|
||||
}
|
||||
else {
|
||||
set_fov(_fov_user_deg);
|
||||
}
|
||||
|
||||
SGQuatd geodEyeOr = SGQuatd::fromYawPitchRollDeg(eye_heading, eye_pitch, eye_roll);
|
||||
SGQuatd geodEyeHlOr = SGQuatd::fromLonLat(_position);
|
||||
|
||||
// the rotation offset, don't know why heading is negative here ...
|
||||
|
|
@ -689,6 +1020,7 @@ View::recalcLookAt ()
|
|||
_roll_offset_deg);
|
||||
|
||||
// Offsets to the eye position
|
||||
getViewOffsets(root, _view_index, "", _adjust_offset_m, _offset_m);
|
||||
SGVec3d eyeOff(-_offset_m.z(), _offset_m.x(), -_offset_m.y());
|
||||
SGQuatd ec2eye = geodEyeHlOr*geodEyeOr;
|
||||
SGVec3d eyeCart = SGVec3d::fromGeod(_position);
|
||||
|
|
@ -697,12 +1029,6 @@ View::recalcLookAt ()
|
|||
SGVec3d atCart = SGVec3d::fromGeod(_target);
|
||||
|
||||
// add target offsets to at_position...
|
||||
SGVec3d target_pos_off(-_target_offset_m.z(), _target_offset_m.x(),
|
||||
-_target_offset_m.y());
|
||||
target_pos_off = (geodTargetHlOr*geodTargetOr).backTransform(target_pos_off);
|
||||
atCart += target_pos_off;
|
||||
eyeCart += target_pos_off;
|
||||
|
||||
// Compute the eyepoints orientation and position
|
||||
// wrt the earth centered frame - that is global coorinates
|
||||
_absolute_view_pos = eyeCart;
|
||||
|
|
@ -768,6 +1094,59 @@ View::updateDampOutput(double dt)
|
|||
} // of dt subdivision by interval
|
||||
}
|
||||
|
||||
|
||||
View::Damping::Damping(double damping, double min, double max)
|
||||
: _id(NULL), _min(min), _max(max), _target(0), _factor(pow(10, -damping)), _current(0)
|
||||
{
|
||||
}
|
||||
|
||||
void View::Damping::setTarget(double target)
|
||||
{
|
||||
_target = target;
|
||||
}
|
||||
|
||||
void View::Damping::update(double dt, void* id)
|
||||
{
|
||||
if (id != _id || dt > 1.0) {
|
||||
_current = _target;
|
||||
_id = id;
|
||||
return;
|
||||
}
|
||||
const double interval = 0.01;
|
||||
while (dt > interval) {
|
||||
|
||||
if (_factor <= 0.0) {
|
||||
// un-damped, set output to target directly
|
||||
_current = _target;
|
||||
continue;
|
||||
}
|
||||
|
||||
double d = _current - _target;
|
||||
if (_max > _min) {
|
||||
if (d > _max) {
|
||||
_current -= (_max - _min);
|
||||
} else if (d < _min) {
|
||||
_current += (_max - _min);
|
||||
}
|
||||
}
|
||||
|
||||
_current = (_target * _factor) + _current * (1.0 - _factor);
|
||||
|
||||
dt -= interval;
|
||||
}
|
||||
}
|
||||
|
||||
double View::Damping::get()
|
||||
{
|
||||
return _current;
|
||||
}
|
||||
|
||||
void View::Damping::updateTarget(double& io)
|
||||
{
|
||||
setTarget(io);
|
||||
io = get();
|
||||
}
|
||||
|
||||
double
|
||||
View::get_h_fov()
|
||||
{
|
||||
|
|
@ -821,37 +1200,12 @@ View::get_v_fov()
|
|||
return 0.0;
|
||||
}
|
||||
|
||||
void
|
||||
View::updateData()
|
||||
{
|
||||
if (!_from_model) {
|
||||
SGGeod pos = _eyeProperties.position();
|
||||
SGVec3d att = _eyeProperties.attitude();
|
||||
setPosition(pos);
|
||||
setOrientation(att[2], att[1], att[0]);
|
||||
} else {
|
||||
set_dirty();
|
||||
}
|
||||
|
||||
// if lookat (type 1) then get target data...
|
||||
if (getType() == FG_LOOKAT) {
|
||||
if (!_from_model) {
|
||||
SGGeod pos = _targetProperties.position();
|
||||
SGVec3d att = _targetProperties.attitude();
|
||||
setTargetPosition(pos);
|
||||
setTargetOrientation(att[2], att[1], att[0]);
|
||||
} else {
|
||||
set_dirty();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
View::update (double dt)
|
||||
{
|
||||
updateData();
|
||||
recalc();
|
||||
recalc();
|
||||
updateDampOutput(dt);
|
||||
_lookat_agl_damping.update(dt, NULL /*id*/);
|
||||
|
||||
int i;
|
||||
int dt_ms = int(dt * 1000);
|
||||
|
|
|
|||
|
|
@ -58,7 +58,9 @@ public:
|
|||
FG_LOOKAT = 1
|
||||
};
|
||||
|
||||
static View* createFromProperties(SGPropertyNode_ptr props);
|
||||
// view_index is to allow us to look up corresponding view information for
|
||||
// multiplayer aircraft.
|
||||
static View* createFromProperties(SGPropertyNode_ptr props, int view_index=-1);
|
||||
|
||||
// Destructor
|
||||
virtual ~View();
|
||||
|
|
@ -129,6 +131,12 @@ public:
|
|||
void setPositionOffsets (double x_offset_m,
|
||||
double y_offset_m,
|
||||
double z_offset_m);
|
||||
double getAdjustXOffset_m () const { return _adjust_offset_m.x(); }
|
||||
double getAdjustYOffset_m () const { return _adjust_offset_m.y(); }
|
||||
double getAdjustZOffset_m () const { return _adjust_offset_m.z(); }
|
||||
void setAdjustXOffset_m (double x_adjust_offset_m);
|
||||
void setAdjustYOffset_m (double y_adjust_offset_m);
|
||||
void setAdjustZOffset_m (double z_adjust_offset_m);
|
||||
|
||||
// Reference orientation rotations...
|
||||
// These are rotations that represent the plane attitude effect on
|
||||
|
|
@ -196,10 +204,10 @@ private:
|
|||
double roll_offset_deg,
|
||||
double fov_deg, double aspect_ratio_multiplier,
|
||||
double target_x_offset_m, double target_y_offset_m,
|
||||
double target_z_offset_m, double near_m, bool internal );
|
||||
double target_z_offset_m, double near_m, bool internal,
|
||||
bool lookat_agl, double lookat_agl_damping, int view_index );
|
||||
|
||||
void set_clean() { _dirty = false; }
|
||||
void updateData();
|
||||
|
||||
void setHeadingOffset_deg_property (double heading_offset_deg);
|
||||
void setPitchOffset_deg_property(double pitch_offset_deg);
|
||||
|
|
@ -259,6 +267,7 @@ private:
|
|||
void setTargetHeading_deg (double heading_deg);
|
||||
void setTargetOrientation (double roll_deg, double pitch_deg, double heading_deg);
|
||||
|
||||
void handleAGL(const std::string& root);
|
||||
|
||||
// Orientation offsets rotations from reference orientation.
|
||||
// Goal settings are for smooth transition from prior
|
||||
|
|
@ -297,10 +306,14 @@ private:
|
|||
_fov_deg = fov_deg;
|
||||
}
|
||||
|
||||
double get_fov_user() const { return _fov_user_deg; }
|
||||
void set_fov_user( double fov_deg ) { _fov_user_deg = fov_deg; }
|
||||
|
||||
//////////////////////////////////////////////////////////////////
|
||||
// private data //
|
||||
//////////////////////////////////////////////////////////////////
|
||||
|
||||
SGPropertyNode_ptr _config;
|
||||
std::string _name, _typeString;
|
||||
|
||||
// flag forcing a recalc of derived view parameters
|
||||
|
|
@ -329,12 +342,34 @@ private:
|
|||
SGVec3d _dampTarget; ///< current target value we are damping towards
|
||||
SGVec3d _dampOutput; ///< current output of damping filter
|
||||
SGVec3d _dampFactor; ///< weighting of the damping filter
|
||||
|
||||
/* Generic damping support. */
|
||||
struct Damping {
|
||||
|
||||
Damping(double factor, double min, double max);
|
||||
void setTarget(double target);
|
||||
void update(double dt, void* id);
|
||||
double get();
|
||||
void updateTarget(double& io);
|
||||
|
||||
private:
|
||||
void* _id;
|
||||
double _min;
|
||||
double _max;
|
||||
double _target;
|
||||
double _factor;
|
||||
double _current;
|
||||
};
|
||||
|
||||
Damping _lookat_agl_damping;
|
||||
|
||||
// Position offsets from FDM origin. The X axis is positive
|
||||
// out the tail, Y is out the right wing, and Z is positive up.
|
||||
// distance in meters
|
||||
SGVec3d _offset_m;
|
||||
SGVec3d _configOffset_m;
|
||||
|
||||
SGVec3d _adjust_offset_m;
|
||||
|
||||
// Target offsets from FDM origin (for "lookat" targets) The X
|
||||
// axis is positive out the tail, Y is out the right wing, and Z
|
||||
|
|
@ -358,6 +393,12 @@ private:
|
|||
|
||||
// internal view (e.g. cockpit) flag
|
||||
bool _internal;
|
||||
|
||||
// Dynamically update view angle and field of view so that we always
|
||||
// include the target and the ground below it.
|
||||
bool _lookat_agl;
|
||||
|
||||
int _view_index;
|
||||
|
||||
// view is looking from a model
|
||||
bool _from_model;
|
||||
|
|
@ -366,6 +407,10 @@ private:
|
|||
// view is looking at a model
|
||||
bool _at_model;
|
||||
int _at_model_index; // number of model (for multi model)
|
||||
|
||||
// Field of view as requested by user. Usually copied directly into the
|
||||
// actual field of view, except for Tower AGL view.
|
||||
double _fov_user_deg;
|
||||
|
||||
// the nominal field of view (angle, in degrees)
|
||||
double _fov_deg;
|
||||
|
|
|
|||
|
|
@ -62,7 +62,7 @@ FGViewMgr::init ()
|
|||
SGPropertyNode *n = config_list[i];
|
||||
SGPropertyNode *config = n->getChild("config", 0, true);
|
||||
|
||||
flightgear::View* v = flightgear::View::createFromProperties(config);
|
||||
flightgear::View* v = flightgear::View::createFromProperties(config, n->getIndex());
|
||||
if (v) {
|
||||
add_view(v);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue